
Foul language: Common swear words and phrases
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Key Phrases
ばか
baka
Idiot / Fool
だまれ
da mare
Shut up!
このやろう
kono yarou
You bastard
Skills You'll Learn
Recognizing offensive language
こうげきてきなげんごをみわける
kou gekiteki na gen go o miwakeru
Understanding informal expressions
ふひょうしかつようをりかいする
fu hyoushi katsu you o rika i suru
Identifying emotional intensity in words
ことばのかんじょうてききょうどをしきべつする
kotoba no kanjou teki kyou do o shiki betsu suru
Lesson Vocabulary & Phrases
ばか
baka
Idiot / Fool
🇯🇵 [ばか] is a common insult, but how harsh it sounds depends a lot on tone and situation. It can be light and almost joking among friends, or genuinely hostile in an argument.
See breakdown →くそ
kuso
Damn / Crap
🇯🇵 [くそ] is a rough exclamation, like blurting out "damn," and also gets stuck onto other words to make them nastier, like [くそガキ] for "brat." It is vulgar, but usually less explosive than direct insults aimed at a person.
See breakdown →このやろう
kono yarou
You bastard
💬 [この] before an insult makes it feel like "you …!" rather than plain "this." The same pattern shows up in things like [このばか] or [この野郎].
🇯🇵 [このやろう] is very confrontational and sounds like the speaker is ready for a fight. In real life, hearing this from a stranger is a serious danger sign, not casual rudeness.
See breakdown →ちくしょう
chikushou
Damn it!
🇯🇵 [ちくしょう] is an old-fashioned, dramatic-sounding "damn it" you hear a lot in anime, games, and movies. Real people do say it, but less often than fiction might make you think.
See breakdown →ふざけるな
fuzakeru na
Don't mess with me!
💬 [~るな] makes a blunt "don't do it" command, so [ふざけるな] is literally "don't joke around." You can reuse the pattern with other verbs, like [さわるな] for "don't touch it."
🇯🇵 This is an aggressive line used when someone feels insulted, lied to, or provoked. It is much harsher than a normal complaint and can easily escalate a situation.
See breakdown →ざけんな
zaken na
Cut the crap!
💬 [ざけんな] is a slurred, rough version of [ふざけるな] or [ふざけんな]. In fast angry speech, the start gets chopped off, which makes it sound even more hostile.
See breakdown →うるせえ
urusee
Shut up!
💬 [うるせえ] is a rough speech version of [うるさい]. This kind of [ai] to [ee] change shows up in other very casual or angry speech too, like [すごい] becoming [すげえ].
🇯🇵 Even though it is often translated "shut up," the core feeling is more like "you're noisy" or "you're annoying." It is rude and aggressive, but not as extreme as the most taboo insults.
See breakdown →だまれ
da mare
Shut up! (Stronger)
💬 [だまれ] is the command form of [だまる], "be quiet" or "shut up." This command form is very direct and harsh, like [行け] for "go!" or [やめろ] for "stop it!"
🇯🇵 [だまれ] is much stronger than politely asking for quiet. Outside of fights, it sounds openly hostile and is not something you would say in ordinary rude service situations.
See breakdown →むかつく
mukatsuku
You're pissing me off.
🇯🇵 [むかつく] is common in everyday speech, especially for irritation, disgust, or "this really gets on my nerves." It is rough, but often less explosive than direct swearing at someone.
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